Needle-less injection instrument



FIG. 1 is a side elevational view of a needle-less injection instrumentwith the reservoir laterally positioned and raised, showing my newdesign;

FIG. 2 is an opposite side elevational view thereof with the reservoirpivoted to the top of the instrument;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a rear view.

The ornamental design for a needle-less injection instrument, as shownand described.